igb_check_for_rst(9)

💅 igb_check_for_rst(9) — like, the vibe check for resets ✨

okay so this is a page from the Kernel API Manual, section 9, and bestie it is so niche but so important. it's giving "tiny function, huge consequences" energy, iykyk 🫶

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🌸 NAME 🌸

igb_check_for_rst — checks to see if the other side has reset 👀

literally just a little peek across the mailbox going "hey… u good? did u just reboot on me?" 😭

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✨ SYNOPSIS ✨

s32 igb_check_for_rst (struct e1000_hw *hw , u16 mbx_id );

that's the whole thing. small icon, main character energy 👑

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🎀 ARGUMENTS 🎀

• hw — pointer to the HW structure 💖 the actual hardware situation we're looking at
• mbx_id — id of mailbox to check 📬 which specific mailbox we're asking about

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🦋 DESCRIPTION 🦋

so it returns SUCCESS if the Status bit was found, or else ERR_MBX. that's it, that's the whole personality 🌈

like — the other side either reset or it didn't, and this function tells you which. no cap, no drama, just a status bit and a return value 🧚

lowkey important: it's either SUCCESS or ERR_MBX. it's not out here giving you a whole essay. binary queen 💅

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🔥 SEE ALSO 🔥

the whole friend group, fr fr — they all live in the kernel file ./drivers/net/ethernet/intel/igb/e1000_mbx.c:

• igb_read_mbx(9)
• igb_write_mbx(9)
• igb_check_for_msg(9)
• igb_check_for_ack(9)
• igb_unlock_mbx(9)
• igb_poll_for_msg(9)
• igb_poll_for_ack(9)
• igb_read_posted_mbx(9)
• igb_write_posted_mbx(9)
• igb_check_for_msg_pf(9)
• igb_check_for_ack_pf(9)
• igb_check_for_rst_pf(9)
• igb_obtain_mbx_lock_pf(9)
• igb_release_mbx_lock_pf(9)
• igb_write_mbx_pf(9)
• igb_read_mbx_pf(9)
• igb_init_mbx_params_pf(9)

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and that's the whole page, bestie 🍓 this one came from ./drivers/net/ethernet/intel/igb, dated October 2026 — shoutout to the source, she ate and left no crumbs 💜⭐

now go check that mailbox, ily, bye 💖